The largest study to date on the early detection of colorectal cancer offers benchmark data for what could be expected from large-scale use of flexible sigmoidoscopy as a screening tool for colorectal cancer. The report, published in the July 6 issue of the Journal of the National Cancer Institute (JNCI), is part of the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial, a randomized, community-based longitudinal study evaluating the effectiveness of cancer screening tests on site-specific mortality.
"In our opinion, we now have published important and valuable baseline data on the use of flexible sigmoidoscopy within a large and randomized group of participants," said Joel Weissfeld, M.D., M.P.H, lead author of the study and associate professor of epidemiology, University of Pittsburgh Graduate School of Public Health. "The findings reveal trends and patterns by gender and age that one may expect to see in a flexible sigmoidoscopy intervention targeting the general U.S. population," added Dr. Weissfeld, who also is co-leader of the cancer epidemiology, prevention and control program at the University of Pittsburgh Cancer Institute.
During flexible sigmoidoscopy (FSG), a doctor uses a lighted scope to examine the inside of the large intestine from the rectum through the descending colon, where most colon polyps develop.
Clare Collins | EurekAlert!
Study relating to materials testing Detecting damages in non-magnetic steel through magnetism
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Scientists at the University of California, Los Angeles present new research on a curious cosmic phenomenon known as "whistlers" -- very low frequency packets...
Scientists develop first tool to use machine learning methods to compute flow around interactively designable 3D objects. Tool will be presented at this year’s prestigious SIGGRAPH conference.
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Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.
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Proteins must be folded correctly to fulfill their molecular functions in cells. Molecular assistants called chaperones help proteins exploit their inbuilt folding potential and reach the correct three-dimensional structure. Researchers at the Max Planck Institute of Biochemistry (MPIB) have demonstrated that actin, the most abundant protein in higher developed cells, does not have the inbuilt potential to fold and instead requires special assistance to fold into its active state. The chaperone TRiC uses a previously undescribed mechanism to perform actin folding. The study was recently published in the journal Cell.
Actin is the most abundant protein in highly developed cells and has diverse functions in processes like cell stabilization, cell division and muscle...
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